Description
YZ-250B2（380）
List of Spare Parts for YZ-250B2（380）Hydraulic POWER Unit
| 序号 Item | 名称及规格 Description | 代号Code | 数量 Qty’ |
| 1 | 滤油器滤芯 Core,oil filter | TFX-63×100 | 2 |
| 2 | 滤油器滤芯 Core,oil filter | SPX-06×25 | 1 |
| 3 | 滤油器滤芯 Core,oil filter | HDX-63×10 | 1 |
| 4 | 耐震压力表 10MPa Shock-proof pressure meter 10MPa | YN-60 | 1 |
| 5 | O形圈 11×1.9 O-ring | GB1235-76 | 10 |
| 6 | O形圈 20×2.4 O-ring | GB1235-76 | 10 |
| 7 | O形圈 24×2.4 O-ring | GB1235-76 | 10 |
| 8 | O形圈 30×3.1 O-ring | GB1235-76 | 5 |
| 9 | O形圈 250×7.0 O-ring | GB3452.1-92 | 2 |
| 10 | O形圈 5×1.8 O-ring | GB3452.1-92 | 2 |
| 11 | O形圈 48.7×3.55 O-ring | GB3452.1-92 | 2 |
| 12 | 组合垫圈 14 Combined Washer | JB982-77 | 10 |
| 13 | 组合垫圈 18 Combined Washer | JB982-77 | 10 |
| 14 | 组合垫圈 22 Combined Washer | JB982-77 | 10 |
| 15 | 组合垫圈 27 Combined Washer | JB982-77 | 10 |
| 16 | 组合垫圈 33 Combined Washer | JB982-77 | 10 |
| 17 | 柱塞泵 Plunger pump | DP14R-310C | 2 |
| 18 | 齿轮泵 Gear pump | CEF-E25P | 1 |
| 19 | 隔爆电机380V、50Hz Explosion-proof thermo resistance | YB100L2-4 B35 3kW | 2 |
| 20 | 隔爆电机 380V、50Hz Explosion-proof thermo resistance | YB802-4 B35 0.75kW | 1 |
| 21 | 联轴器 Coupling | NL3 YA28×62/YA19.05×40 | 2 |
| 22 | 联轴器 Coupling | NL2 YA19×40/YA20×40 | 1 |
| 23 | 溢流阀 Discharging valve | DB10-1-50/100 | 1 |
| 24 | 单向阀 One-way valve | RVP8 | 1 |
| 25 | 单向阀 One-way valve | RVP10 | 2 |
| 26 | 蓄能器 Accumulator | NXQ2-F10/10-H | 2 |
| 27 | 隔爆加热器 Explosion-proof heater | SZY2-22/3 | 1 |
| 28 | 隔爆热电阻 Explosion-proof thermo resistance | WZP-24SA T4 | 1 |
| 29 | 液位控制继电器 Liquid level relay | YKJD24-300 | 1 |
| 30 | 液位温度计 Liquid-level temperature gauge | YWZ-200T | 1 |
| 31 | 空气滤清器 Air filter | C-M48×2 | 1 |
| 32 | 充气工具 Air-charging tool | CQJ-16 | 1 |
| 33 | 冷却器 cooler | GLC1-0.6 | 1 |
| 34 | 高压球阀 High pressure ball valve | BKH-1/2NPT | 1 |
| 35 | 低压球阀 Low pressure ball valve | 3/4 | 3 |
| 36 | 断 路 器 breake | GSM1-100M/3300 25A | 1 |
| 37 | 交流接触器 AC contactor | CJX4-1210dM7 | 3 |
| 38 | 交流接触器 AC contactor | CJX4-1810dM7 | 1 |
| 39 | 热过载继电器 Thermo relay | JRS4-09307d 1.6-2.5A | 1 |
| 40 | 热过载继电器 Thermo relay | JRS4-09312d 5.5-8A | 2 |
| 41 | 辅助触头组 Auxiliary contactor | F3-22d | 4 |
| 42 | 控制变压器 Ctrl transformer | JBK5-400 380/220V | 1 |
| 43 | 小型继电器 Mini relay | HH54P | 1 |
| 44 | 温度控制仪 Digital thermoregulator | XMTA-2202 | 1 |
| 45 | 直流开关电源 DCpower switch | S-150-24 | 1 |
| 46 | 自复式万能转换开关 Universal reversing switch (self-reset) | LW5D-16 B0012/1 | 4 |
| 47 | 定位式万能转换开关 Universal reversing switch (locate mode) | LW5D-16 N0296/1 | 1 |
| 48 | 定位式万能转换开关 Universal reversing switch (locate mode) | LW5D-16 D0401/2 | 1 |
| 49 | 防爆指示灯（绿） Explosion-proof indicating lamp | DC24V（M27X1.5） | 5 |
| 51 | 防爆指示灯（红） Explosion-proof indicating lamp | DC24V（M27X1.5 | 1 |
| 52 | 熔断器座 Core fuse | RT18-32 | 17 |
| 53 | 陶瓷熔芯 Core fuse | φ10X38 32A | 2 |
| 54 | 熔断器芯 Core fuse | φ10X38 10A | 6 |
| 55 | 熔断器芯 Core fuse | φ10X38 6A | 1 |
| 56 | 熔断器芯 Core fuse | φ10X38 3A | 1 |